Jupiter is bigger than all the other planets combined.
254
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
The sun is 330,330 times larger than the earth!
190
The heart of an astronaut actually gets smaller when in outer space.
216
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Astronauts cannot burp in space.
232